Air consists of 78% nitrogen, 20% oxygen, 1% water vapor, 0.97 % inert gases and 0.03% carbon dioxide and other gases. How many solvents are present in air? a.1
b.2
c.4
d.5
e.3

The price of a dozen eggs was $1.63. suppose the price increases m dollars per dozen and then the price decreases $0.12 per dozen. which expression represents the current price of eggs after the two price changes?

What is 1.5% of 120 or what number is 1.5% of 120

The letters g e o r g i a are placed in a bag . if you picked a card and knew it was a vowel , what is the probability that it is an a ?